зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1200595 - DIB TextureData implementation. r=Bas
This commit is contained in:
Родитель
7e5a0d6376
Коммит
f1aba3b421
|
@ -14,64 +14,117 @@ using namespace gfx;
|
|||
|
||||
namespace layers {
|
||||
|
||||
bool
|
||||
TextureClientDIB::Lock(OpenMode)
|
||||
/**
|
||||
* Can only be drawn into through Cairo.
|
||||
* The coresponding TextureHost depends on the compositor
|
||||
*/
|
||||
class MemoryDIBTextureData : public DIBTextureData
|
||||
{
|
||||
MOZ_ASSERT(!mIsLocked);
|
||||
if (!IsValid()) {
|
||||
return false;
|
||||
}
|
||||
mIsLocked = true;
|
||||
return true;
|
||||
}
|
||||
public:
|
||||
virtual bool Serialize(SurfaceDescriptor& aOutDescriptor) override;
|
||||
|
||||
void
|
||||
TextureClientDIB::Unlock()
|
||||
virtual TextureData*
|
||||
CreateSimilar(ISurfaceAllocator* aAllocator,
|
||||
TextureFlags aFlags = TextureFlags::DEFAULT,
|
||||
TextureAllocationFlags aAllocFlags = ALLOC_DEFAULT) const override;
|
||||
|
||||
static
|
||||
DIBTextureData* Create(gfx::IntSize aSize, gfx::SurfaceFormat aFormat);
|
||||
|
||||
virtual void Deallocate(ISurfaceAllocator* aAllocator) override
|
||||
{
|
||||
mSurface = nullptr;
|
||||
}
|
||||
|
||||
MemoryDIBTextureData(gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
|
||||
gfxWindowsSurface* aSurface)
|
||||
: DIBTextureData(aSize, aFormat, aSurface)
|
||||
{
|
||||
MOZ_COUNT_CTOR(MemoryDIBTextureData);
|
||||
}
|
||||
|
||||
virtual ~MemoryDIBTextureData()
|
||||
{
|
||||
MOZ_COUNT_DTOR(MemoryDIBTextureData);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Can only be drawn into through Cairo.
|
||||
* The coresponding TextureHost depends on the compositor
|
||||
*/
|
||||
class ShmemDIBTextureData : public DIBTextureData
|
||||
{
|
||||
MOZ_ASSERT(mIsLocked, "Unlocked called while the texture is not locked!");
|
||||
if (mDrawTarget) {
|
||||
if (mReadbackSink) {
|
||||
RefPtr<SourceSurface> snapshot = mDrawTarget->Snapshot();
|
||||
RefPtr<DataSourceSurface> dataSurf = snapshot->GetDataSurface();
|
||||
mReadbackSink->ProcessReadback(dataSurf);
|
||||
public:
|
||||
virtual bool Serialize(SurfaceDescriptor& aOutDescriptor) override;
|
||||
|
||||
virtual TextureData*
|
||||
CreateSimilar(ISurfaceAllocator* aAllocator,
|
||||
TextureFlags aFlags = TextureFlags::DEFAULT,
|
||||
TextureAllocationFlags aAllocFlags = ALLOC_DEFAULT) const override;
|
||||
|
||||
static
|
||||
DIBTextureData* Create(gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
|
||||
ISurfaceAllocator* aAllocator);
|
||||
|
||||
void DeallocateData()
|
||||
{
|
||||
if (mSurface) {
|
||||
::DeleteObject(mBitmap);
|
||||
::DeleteDC(mDC);
|
||||
::CloseHandle(mFileMapping);
|
||||
mBitmap = NULL;
|
||||
mDC = NULL;
|
||||
mFileMapping = NULL;
|
||||
mSurface = nullptr;
|
||||
}
|
||||
|
||||
mDrawTarget->Flush();
|
||||
mDrawTarget = nullptr;
|
||||
}
|
||||
|
||||
mIsLocked = false;
|
||||
virtual void Deallocate(ISurfaceAllocator* aAllocator) override
|
||||
{
|
||||
DeallocateData();
|
||||
}
|
||||
|
||||
ShmemDIBTextureData(gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
|
||||
gfxWindowsSurface* aSurface,
|
||||
HANDLE aFileMapping, HANDLE aHostHandle,
|
||||
HDC aDC, HBITMAP aBitmap)
|
||||
: DIBTextureData(aSize, aFormat, aSurface)
|
||||
, mFileMapping(aFileMapping)
|
||||
, mHostHandle(aHostHandle)
|
||||
, mDC(aDC)
|
||||
, mBitmap(aBitmap)
|
||||
{
|
||||
MOZ_COUNT_CTOR(ShmemDIBTextureData);
|
||||
}
|
||||
|
||||
virtual ~ShmemDIBTextureData()
|
||||
{
|
||||
MOZ_COUNT_DTOR(ShmemDIBTextureData);
|
||||
}
|
||||
|
||||
HANDLE mFileMapping;
|
||||
HANDLE mHostHandle;
|
||||
HDC mDC;
|
||||
HBITMAP mBitmap;
|
||||
};
|
||||
|
||||
already_AddRefed<gfx::DrawTarget>
|
||||
DIBTextureData::BorrowDrawTarget()
|
||||
{
|
||||
return gfxPlatform::GetPlatform()->CreateDrawTargetForSurface(mSurface, mSize);
|
||||
}
|
||||
|
||||
gfx::DrawTarget*
|
||||
TextureClientDIB::BorrowDrawTarget()
|
||||
bool
|
||||
DIBTextureData::UpdateFromSurface(gfx::SourceSurface* aSurface)
|
||||
{
|
||||
MOZ_ASSERT(mIsLocked && IsAllocated());
|
||||
|
||||
if (!mDrawTarget) {
|
||||
mDrawTarget =
|
||||
gfxPlatform::GetPlatform()->CreateDrawTargetForSurface(mSurface, mSize);
|
||||
}
|
||||
|
||||
if (!mDrawTarget) {
|
||||
gfxCriticalNote << "DIB failed draw target surface " << mSize << ", " << (int)mIsLocked << ", " << IsAllocated();
|
||||
}
|
||||
|
||||
return mDrawTarget;
|
||||
}
|
||||
|
||||
void
|
||||
TextureClientDIB::UpdateFromSurface(gfx::SourceSurface* aSurface)
|
||||
{
|
||||
MOZ_ASSERT(mIsLocked && IsAllocated());
|
||||
|
||||
RefPtr<gfxImageSurface> imgSurf = mSurface->GetAsImageSurface();
|
||||
|
||||
RefPtr<DataSourceSurface> srcSurf = aSurface->GetDataSurface();
|
||||
|
||||
if (!srcSurf) {
|
||||
gfxCriticalError() << "Failed to GetDataSurface in UpdateFromSurface.";
|
||||
return;
|
||||
return false;
|
||||
}
|
||||
|
||||
DataSourceSurface::MappedSurface sourceMap;
|
||||
|
@ -84,43 +137,40 @@ TextureClientDIB::UpdateFromSurface(gfx::SourceSurface* aSurface)
|
|||
}
|
||||
|
||||
srcSurf->Unmap();
|
||||
return true;
|
||||
}
|
||||
|
||||
TextureClientMemoryDIB::TextureClientMemoryDIB(ISurfaceAllocator* aAllocator,
|
||||
gfx::SurfaceFormat aFormat,
|
||||
TextureFlags aFlags)
|
||||
: TextureClientDIB(aAllocator, aFormat, aFlags)
|
||||
DIBTextureData*
|
||||
DIBTextureData::Create(gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
|
||||
ISurfaceAllocator* aAllocator)
|
||||
{
|
||||
MOZ_COUNT_CTOR(TextureClientMemoryDIB);
|
||||
}
|
||||
|
||||
TextureClientMemoryDIB::~TextureClientMemoryDIB()
|
||||
{
|
||||
MOZ_COUNT_DTOR(TextureClientMemoryDIB);
|
||||
}
|
||||
|
||||
already_AddRefed<TextureClient>
|
||||
TextureClientMemoryDIB::CreateSimilar(TextureFlags aFlags,
|
||||
TextureAllocationFlags aAllocFlags) const
|
||||
{
|
||||
RefPtr<TextureClient> tex = new TextureClientMemoryDIB(mAllocator, mFormat,
|
||||
mFlags | aFlags);
|
||||
|
||||
if (!tex->AllocateForSurface(mSize, aAllocFlags)) {
|
||||
if (!aAllocator) {
|
||||
return nullptr;
|
||||
}
|
||||
if (aFormat == gfx::SurfaceFormat::UNKNOWN) {
|
||||
return nullptr;
|
||||
}
|
||||
if (aAllocator->IsSameProcess()) {
|
||||
return MemoryDIBTextureData::Create(aSize, aFormat);
|
||||
} else {
|
||||
return ShmemDIBTextureData::Create(aSize, aFormat, aAllocator);
|
||||
}
|
||||
}
|
||||
|
||||
return tex.forget();
|
||||
TextureData*
|
||||
MemoryDIBTextureData::CreateSimilar(ISurfaceAllocator* aAllocator,
|
||||
TextureFlags aFlags,
|
||||
TextureAllocationFlags aAllocFlags) const
|
||||
{
|
||||
if (!aAllocator) {
|
||||
return nullptr;
|
||||
}
|
||||
return MemoryDIBTextureData::Create(mSize, mFormat);
|
||||
}
|
||||
|
||||
bool
|
||||
TextureClientMemoryDIB::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
|
||||
MemoryDIBTextureData::Serialize(SurfaceDescriptor& aOutDescriptor)
|
||||
{
|
||||
MOZ_ASSERT(IsValid());
|
||||
if (!IsAllocated()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
MOZ_ASSERT(mSurface);
|
||||
// The host will release this ref when it receives the surface descriptor.
|
||||
// We AddRef in case we die before the host receives the pointer.
|
||||
|
@ -129,64 +179,34 @@ TextureClientMemoryDIB::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
|
|||
return true;
|
||||
}
|
||||
|
||||
bool
|
||||
TextureClientMemoryDIB::AllocateForSurface(gfx::IntSize aSize, TextureAllocationFlags aFlags)
|
||||
DIBTextureData*
|
||||
MemoryDIBTextureData::Create(gfx::IntSize aSize, gfx::SurfaceFormat aFormat)
|
||||
{
|
||||
MOZ_ASSERT(!IsAllocated());
|
||||
mSize = aSize;
|
||||
|
||||
mSurface = new gfxWindowsSurface(aSize, SurfaceFormatToImageFormat(mFormat));
|
||||
if (!mSurface || mSurface->CairoStatus())
|
||||
{
|
||||
NS_WARNING("Could not create surface");
|
||||
mSurface = nullptr;
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
TextureClientShmemDIB::TextureClientShmemDIB(ISurfaceAllocator* aAllocator,
|
||||
gfx::SurfaceFormat aFormat,
|
||||
TextureFlags aFlags)
|
||||
: TextureClientDIB(aAllocator, aFormat, aFlags)
|
||||
, mFileMapping(NULL)
|
||||
, mHostHandle(NULL)
|
||||
, mDC(NULL)
|
||||
, mBitmap(NULL)
|
||||
{
|
||||
MOZ_COUNT_CTOR(TextureClientShmemDIB);
|
||||
}
|
||||
|
||||
TextureClientShmemDIB::~TextureClientShmemDIB()
|
||||
{
|
||||
MOZ_COUNT_DTOR(TextureClientShmemDIB);
|
||||
|
||||
::DeleteObject(mBitmap);
|
||||
::DeleteDC(mDC);
|
||||
::CloseHandle(mFileMapping);
|
||||
}
|
||||
|
||||
already_AddRefed<TextureClient>
|
||||
TextureClientShmemDIB::CreateSimilar(TextureFlags aFlags,
|
||||
TextureAllocationFlags aAllocFlags) const
|
||||
{
|
||||
RefPtr<TextureClient> tex = new TextureClientShmemDIB(mAllocator, mFormat,
|
||||
mFlags | aFlags);
|
||||
|
||||
if (!tex->AllocateForSurface(mSize, aAllocFlags)) {
|
||||
RefPtr<gfxWindowsSurface> surface
|
||||
= new gfxWindowsSurface(aSize, SurfaceFormatToImageFormat(aFormat));
|
||||
if (!surface || surface->CairoStatus()) {
|
||||
NS_WARNING("Could not create DIB surface");
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
return tex.forget();
|
||||
return new MemoryDIBTextureData(aSize, aFormat, surface);
|
||||
}
|
||||
|
||||
TextureData*
|
||||
ShmemDIBTextureData::CreateSimilar(ISurfaceAllocator* aAllocator,
|
||||
TextureFlags aFlags,
|
||||
TextureAllocationFlags aAllocFlags) const
|
||||
{
|
||||
if (!aAllocator) {
|
||||
return nullptr;
|
||||
}
|
||||
return ShmemDIBTextureData::Create(mSize, mFormat, aAllocator);
|
||||
}
|
||||
|
||||
bool
|
||||
TextureClientShmemDIB::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
|
||||
ShmemDIBTextureData::Serialize(SurfaceDescriptor& aOutDescriptor)
|
||||
{
|
||||
MOZ_ASSERT(IsValid());
|
||||
MOZ_ASSERT(mAllocator->ParentPid() != base::ProcessId());
|
||||
if (!IsAllocated() || GetFormat() == gfx::SurfaceFormat::UNKNOWN) {
|
||||
if (GetFormat() == gfx::SurfaceFormat::UNKNOWN) {
|
||||
return false;
|
||||
}
|
||||
|
||||
|
@ -195,33 +215,33 @@ TextureClientShmemDIB::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
|
|||
return true;
|
||||
}
|
||||
|
||||
bool
|
||||
TextureClientShmemDIB::AllocateForSurface(gfx::IntSize aSize, TextureAllocationFlags aFlags)
|
||||
DIBTextureData*
|
||||
ShmemDIBTextureData::Create(gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
|
||||
ISurfaceAllocator* aAllocator)
|
||||
{
|
||||
MOZ_ASSERT(!IsAllocated());
|
||||
MOZ_ASSERT(mAllocator->ParentPid() != base::ProcessId());
|
||||
MOZ_ASSERT(aAllocator->ParentPid() != base::ProcessId());
|
||||
|
||||
mSize = aSize;
|
||||
DWORD mapSize = aSize.width * aSize.height * BytesPerPixel(aFormat);
|
||||
HANDLE fileMapping = ::CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, mapSize, NULL);
|
||||
|
||||
DWORD mapSize = mSize.width * mSize.height * BytesPerPixel(mFormat);
|
||||
mFileMapping = ::CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, mapSize, NULL);
|
||||
|
||||
if (!mFileMapping) {
|
||||
if (!fileMapping) {
|
||||
gfxCriticalError() << "Failed to create memory file mapping for " << mapSize << " bytes.";
|
||||
return false;
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
uint8_t* data = (uint8_t*)::MapViewOfFile(mFileMapping, FILE_MAP_WRITE | FILE_MAP_READ, 0, 0, mSize.width * mSize.height * BytesPerPixel(mFormat));
|
||||
uint8_t* data = (uint8_t*)::MapViewOfFile(fileMapping, FILE_MAP_WRITE | FILE_MAP_READ,
|
||||
0, 0, aSize.width * aSize.height
|
||||
* BytesPerPixel(aFormat));
|
||||
|
||||
memset(data, 0x80, mSize.width * mSize.height * BytesPerPixel(mFormat));
|
||||
memset(data, 0x80, aSize.width * aSize.height * BytesPerPixel(aFormat));
|
||||
|
||||
::UnmapViewOfFile(mFileMapping);
|
||||
::UnmapViewOfFile(fileMapping);
|
||||
|
||||
BITMAPV4HEADER header;
|
||||
memset(&header, 0, sizeof(BITMAPV4HEADER));
|
||||
header.bV4Size = sizeof(BITMAPV4HEADER);
|
||||
header.bV4Width = mSize.width;
|
||||
header.bV4Height = -LONG(mSize.height); // top-to-buttom DIB
|
||||
header.bV4Width = aSize.width;
|
||||
header.bV4Height = -LONG(aSize.height); // top-to-buttom DIB
|
||||
header.bV4Planes = 1;
|
||||
header.bV4BitCount = 32;
|
||||
header.bV4V4Compression = BI_BITFIELDS;
|
||||
|
@ -229,46 +249,54 @@ TextureClientShmemDIB::AllocateForSurface(gfx::IntSize aSize, TextureAllocationF
|
|||
header.bV4GreenMask = 0x0000FF00;
|
||||
header.bV4BlueMask = 0x000000FF;
|
||||
|
||||
mDC = ::CreateCompatibleDC(::GetDC(NULL));
|
||||
HDC dc = ::CreateCompatibleDC(::GetDC(NULL));
|
||||
|
||||
if (!mDC) {
|
||||
::CloseHandle(mFileMapping);
|
||||
if (!dc) {
|
||||
::CloseHandle(fileMapping);
|
||||
gfxCriticalError() << "Failed to create DC for bitmap.";
|
||||
return false;
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
void* bits;
|
||||
mBitmap = ::CreateDIBSection(mDC, (BITMAPINFO*)&header, DIB_RGB_COLORS, &bits, mFileMapping, 0);
|
||||
HBITMAP bitmap = ::CreateDIBSection(dc, (BITMAPINFO*)&header,
|
||||
DIB_RGB_COLORS, &bits,
|
||||
fileMapping, 0);
|
||||
|
||||
if (!mBitmap) {
|
||||
gfxCriticalError() << "Failed to create DIB section for a bitmap of size " << mSize;
|
||||
::CloseHandle(mFileMapping);
|
||||
::DeleteDC(mDC);
|
||||
return false;
|
||||
if (!bitmap) {
|
||||
gfxCriticalError() << "Failed to create DIB section for a bitmap of size "
|
||||
<< aSize;
|
||||
::CloseHandle(fileMapping);
|
||||
::DeleteDC(dc);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
::SelectObject(mDC, mBitmap);
|
||||
::SelectObject(dc, bitmap);
|
||||
|
||||
mSurface = new gfxWindowsSurface(mDC, 0);
|
||||
if (mSurface->CairoStatus())
|
||||
RefPtr<gfxWindowsSurface> surface = new gfxWindowsSurface(dc, 0);
|
||||
if (surface->CairoStatus())
|
||||
{
|
||||
::DeleteObject(mBitmap);
|
||||
::DeleteDC(mDC);
|
||||
::CloseHandle(mFileMapping);
|
||||
gfxCriticalError() << "Could not create surface, status: " << mSurface->CairoStatus();
|
||||
mSurface = nullptr;
|
||||
return false;
|
||||
::DeleteObject(bitmap);
|
||||
::DeleteDC(dc);
|
||||
::CloseHandle(fileMapping);
|
||||
gfxCriticalError() << "Could not create surface, status: "
|
||||
<< surface->CairoStatus();
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
if (!ipc::DuplicateHandle(mFileMapping, mAllocator->ParentPid(), &mHostHandle, 0, DUPLICATE_SAME_ACCESS)) {
|
||||
HANDLE hostHandle = NULL;
|
||||
|
||||
if (!ipc::DuplicateHandle(fileMapping, aAllocator->ParentPid(),
|
||||
&hostHandle, 0, DUPLICATE_SAME_ACCESS)) {
|
||||
gfxCriticalError() << "Failed to duplicate handle to parent process for surface.";
|
||||
::DeleteObject(mBitmap);
|
||||
::DeleteDC(mDC);
|
||||
::CloseHandle(mFileMapping);
|
||||
return false;
|
||||
::DeleteObject(bitmap);
|
||||
::DeleteDC(dc);
|
||||
::CloseHandle(fileMapping);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
return true;
|
||||
return new ShmemDIBTextureData(aSize, aFormat, surface,
|
||||
fileMapping, hostHandle,
|
||||
dc, bitmap);
|
||||
}
|
||||
|
||||
|
||||
|
|
|
@ -15,101 +15,42 @@
|
|||
namespace mozilla {
|
||||
namespace layers {
|
||||
|
||||
class TextureClientDIB : public TextureClient
|
||||
class DIBTextureData : public TextureData
|
||||
{
|
||||
public:
|
||||
virtual bool IsAllocated() const override { return !!mSurface; }
|
||||
virtual bool Lock(OpenMode, FenceHandle*) override { return true; }
|
||||
|
||||
virtual bool Lock(OpenMode aOpenMode) override;
|
||||
|
||||
virtual void Unlock() override;
|
||||
|
||||
virtual bool IsLocked() const override{ return mIsLocked; }
|
||||
virtual void Unlock() override {}
|
||||
|
||||
virtual gfx::IntSize GetSize() const override { return mSize; }
|
||||
|
||||
virtual gfx::SurfaceFormat GetFormat() const override { return mFormat; }
|
||||
|
||||
virtual bool CanExposeDrawTarget() const override { return true; }
|
||||
virtual bool SupportsMoz2D() const override { return true; }
|
||||
|
||||
virtual gfx::DrawTarget* BorrowDrawTarget() override;
|
||||
virtual already_AddRefed<gfx::DrawTarget> BorrowDrawTarget() override;
|
||||
|
||||
virtual void UpdateFromSurface(gfx::SourceSurface* aSurface) override;
|
||||
virtual bool UpdateFromSurface(gfx::SourceSurface* aSurface) override;
|
||||
|
||||
virtual bool HasInternalBuffer() const override { return true; }
|
||||
|
||||
static
|
||||
DIBTextureData* Create(gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
|
||||
ISurfaceAllocator* aAllocator);
|
||||
|
||||
protected:
|
||||
TextureClientDIB(ISurfaceAllocator* aAllocator, gfx::SurfaceFormat aFormat, TextureFlags aFlags)
|
||||
: TextureClient(aAllocator, aFlags)
|
||||
, mFormat(aFormat)
|
||||
, mIsLocked(false)
|
||||
{ }
|
||||
DIBTextureData(gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
|
||||
gfxWindowsSurface* aSurface)
|
||||
: mSurface(aSurface)
|
||||
, mSize(aSize)
|
||||
, mFormat(aFormat)
|
||||
{
|
||||
MOZ_ASSERT(aSurface);
|
||||
}
|
||||
|
||||
RefPtr<gfxWindowsSurface> mSurface;
|
||||
RefPtr<gfx::DrawTarget> mDrawTarget;
|
||||
gfx::IntSize mSize;
|
||||
gfx::SurfaceFormat mFormat;
|
||||
bool mIsLocked;
|
||||
};
|
||||
|
||||
/**
|
||||
* Can only be drawn into through Cairo.
|
||||
* Prefer CairoTextureClient when possible.
|
||||
* The coresponding TextureHost depends on the compositor
|
||||
*/
|
||||
class TextureClientMemoryDIB : public TextureClientDIB
|
||||
{
|
||||
public:
|
||||
TextureClientMemoryDIB(ISurfaceAllocator* aAllocator,
|
||||
gfx::SurfaceFormat aFormat,
|
||||
TextureFlags aFlags);
|
||||
|
||||
virtual ~TextureClientMemoryDIB();
|
||||
|
||||
// TextureClient
|
||||
|
||||
virtual bool ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor) override;
|
||||
|
||||
virtual bool AllocateForSurface(gfx::IntSize aSize,
|
||||
TextureAllocationFlags aFlags = ALLOC_DEFAULT) override;
|
||||
|
||||
virtual already_AddRefed<TextureClient>
|
||||
CreateSimilar(TextureFlags aFlags = TextureFlags::DEFAULT,
|
||||
TextureAllocationFlags aAllocFlags = ALLOC_DEFAULT) const override;
|
||||
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* Can only be drawn into through Cairo.
|
||||
* Prefer CairoTextureClient when possible.
|
||||
* The coresponding TextureHost depends on the compositor
|
||||
*/
|
||||
class TextureClientShmemDIB : public TextureClientDIB
|
||||
{
|
||||
public:
|
||||
TextureClientShmemDIB(ISurfaceAllocator* aAllocator,
|
||||
gfx::SurfaceFormat aFormat,
|
||||
TextureFlags aFlags);
|
||||
|
||||
virtual ~TextureClientShmemDIB();
|
||||
|
||||
// TextureClient
|
||||
|
||||
virtual bool ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor) override;
|
||||
|
||||
virtual bool AllocateForSurface(gfx::IntSize aSize,
|
||||
TextureAllocationFlags aFlags = ALLOC_DEFAULT) override;
|
||||
|
||||
virtual already_AddRefed<TextureClient>
|
||||
CreateSimilar(TextureFlags aFlags = TextureFlags::DEFAULT,
|
||||
TextureAllocationFlags aAllocFlags = ALLOC_DEFAULT) const override;
|
||||
|
||||
protected:
|
||||
HANDLE mFileMapping;
|
||||
HANDLE mHostHandle;
|
||||
HDC mDC;
|
||||
HBITMAP mBitmap;
|
||||
};
|
||||
|
||||
/**
|
||||
|
|
|
@ -593,10 +593,9 @@ TextureClient::CreateForDrawing(CompositableForwarder* aAllocator,
|
|||
aAllocator->IsSameProcess() &&
|
||||
moz2DBackend == gfx::BackendType::CAIRO &&
|
||||
NS_IsMainThread()) {
|
||||
if (aAllocator->IsSameProcess()) {
|
||||
texture = new TextureClientMemoryDIB(aAllocator, aFormat, aTextureFlags);
|
||||
} else {
|
||||
texture = new TextureClientShmemDIB(aAllocator, aFormat, aTextureFlags);
|
||||
TextureData* data = DIBTextureData::Create(aSize, aFormat, aAllocator);
|
||||
if (data) {
|
||||
return MakeAndAddRef<ClientTexture>(data, aTextureFlags, aAllocator);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
|
Загрузка…
Ссылка в новой задаче